//
// Created by 21577 on 2025/3/2.
//
# include<stdio.h>

int main() {
    double a, b, c;
    scanf("%lf %lf %lf", &a, &b, &c);
    double max = a;
    if (b > max)
        max = b;
    if (c > max)
        max = c;
    printf("%g", max);
    return 0;
}